UK Picture Books Literary Agents

Fiction, nonfiction, children's books, illustration

Ariana Philips represents a diverse range of award-winning fiction and nonfiction for adults and children, as well as talented illustrators. She loves to find new talent and work with clients to develop strong manuscripts and proposals. Her philosophy is to take on an author for the duration of their career and help guide them through the ever-changing publishing landscape.

Ariana Philips is an agent at the Jean V.

Picture books, chapter books, children's illustration

Picture books and chapter books with strong narrative in both text and illustration, particularly work by illustrators. Stories with suspense, emotional depth, and structural integrity.

Submit your work via email to millie@rcwlitagency.com. Due to the volume of submissions received, individual responses are only provided if the agent wishes to discuss your work further. If you do not receive a response after eight weeks, please consider it a decline.

Self-help, pop culture, music, memoir, history, science, politics, social justice, narrative food writing, faith, true crime, commercial fiction, psychological thrillers, horror thrillers, children's books, picture books, ya

Rick Richter represents self-help, pop culture and music, memoir, history, science, politics and social justice, narrative food writing, and faith. He is also interested in select true crime, commercial fiction, and psychological/horror thrillers and diverse voices in all categories. He has extensive experience in children's books and represents illustrators and children's authors writing fiction and non-fiction from picture books through YA.

Rick Richter only accepts queries through Query Manager. Please check his Query Manager profile for more information.

Fiction and non-fiction, children's books

Currently (Jan 2026) only open to: non-fiction (adult or children) from experts, and non-rhyming picture books (especially author-illustrators)

Email charlotte@greyhoundliterary.co.uk with a cover letter and pitch in the body of the email. For fiction, attach the first three chapters and a synopsis. For non-fiction, attach a proposal and sample writing. For children's picture books, attach the full manuscript and sample illustrations if you are also the illustrator.

Picture books, middle grade fiction, young adult fiction, children's nonfiction

Middle-grade and young adult fiction, including novels celebrating unlikely underdog alliances, close siblings, fierce friendships, and found families, with particular interest in stories centered on queer and BIPOC community and joy. In middle-grade: cozy, emotionally resonant fantasy and literary-leaning multi-layered mysteries. In young adult: sweeping fantasy set in fully realized unique worlds, especially those inspired by non-European cultures, as well as thrillers with strong hooks. Also open to well-researched, propulsive narrative nonfiction for both categories, especially from authors from marginalized communities.

Query Erin Murphy through Query Tracker only. Include a query letter and sample pages as requested through the platform.

Children's authors and illustrators

Picture books, young fiction (5-8, series/character-led), MG (incl mystery/spooky/diary-format/graphic novel), YA (gritty realism, romance with twist, some spec elements), children's non-fiction

Email (to agent) - https://www.unitedagents.co.uk or etalbotunitedagentscouk

Humor, children's, picture books, middle grade, young adult

Creative, proactive, and friendly artists working across all genres and age ranges, particularly projects that are humorous, quirky, or designed to spark meaningful conversations

Send all enquiries to mail@thebrightagency.com.

Fiction, children's books, illustration

See source page for more info

Email davinia@andlynliterary.co.uk for all enquiries.

Fiction, non-fiction, illustration, children's, adult

Sallyanne Sweeney represents fiction, non-fiction, and illustration across children's and adult publishing. She is always drawn to projects that combine creative ambition with broad readership appeal, with taste ranging from the literary to the commercial. She focuses on distinctive voices, strong storytelling, and fresh perspectives, and has a particular gift for guiding debut writers into long-term careers while supporting established voices to reach new audiences.

Submit via Query Tracker.

Children's literature, middle grade, chapter books, young adult, picture books

Penny Moore represents children's literature, mainly middle grade, chapter books, young adult, and select picture books. Though she is interested in all genres, she is specifically seeking inventive works featuring breakout voices and compelling plot lines that will make young readers feel seen and heard for the first time.

Penny only accepts submissions via Query Manager. Submit through her Query Manager page at https:// queryManager.com or LiteraryPenny.

Children's authors and illustrators

Children's authors/illustrators across ages/genres, currently especially: witches, teen romance/romcom series, MG/YA sci-fi/fantasy, MG/YA horror/supernatural, YA romantasy, books for boys, compelling contemporary. For picture books/graphic novels currently only author-illustrators

Email childrensbooksubmissions@theagency.co.uk with submissions as attachments, not download links. Do not email the agent directly. No postal submissions.